/* ============================================================
   DRIFT SYSTEMS — TERMINAL AESTHETIC v1
   Campaign 5.1 — JetBrains Mono / Amber / Scanlines / Panels
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,300;0,400;0,500;0,700;1,400&display=swap');

/* ── TOKENS ─────────────────────────────────────────────── */
:root {
  --bg:           #0a0a0b;
  --bg-panel:     #0f0f11;
  --bg-card:      #111114;
  --fg:           #c6c6c8;
  --fg-dim:       #8a8a94;
  --fg-bright:    #f0f0f2;
  --amber:        #ffb000;
  --amber-dim:    rgba(255,176,0,0.18);
  --amber-glow:   rgba(255,176,0,0.06);
  --line:         #1c1c20;
  --line-amber:   rgba(255,176,0,0.28);
  --radius:       0px;
}

/* ── LIGHT MODE OVERRIDE ─────────────────────────────────── */
body.light {
  --bg:           #f5f4f0;
  --bg-panel:     #eeede8;
  --bg-card:      #e8e6e0;
  --fg:           #3a3830;
  --fg-dim:       #999488;
  --fg-bright:    #1a1814;
  --amber:        #a06000;
  --amber-dim:    rgba(160,96,0,0.12);
  --amber-glow:   rgba(160,96,0,0.05);
  --line:         #d4d0c8;
  --line-amber:   rgba(160,96,0,0.25);
}

body.light::before { opacity: 0.4; }

/* ── RESET ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* ── BODY + SCANLINES ────────────────────────────────────── */
body {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  background-color: var(--bg);
  color: var(--fg);
  font-size: 13px;
  line-height: 1.85;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Scanline texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 1px,
    rgba(0, 0, 0, 0.06) 1px,
    rgba(0, 0, 0, 0.06) 2px
  );
  pointer-events: none;
  z-index: 999;
}

/* ── LAYOUT ──────────────────────────────────────────────── */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 28px 80px;
}

/* ── NAVBAR ──────────────────────────────────────────────── */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 10, 11, 0.96);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 200;
  margin-bottom: 0;
}

body.light .navbar {
  background: rgba(245, 244, 240, 0.96);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--fg-bright);
}

.brand img {
  height: 55px;
  width: auto;
  display: block;
}

body.light .brand img {
  filter: brightness(0.6);
}
body.light .brand {
  background-image: url('/assets/drift-systems-logo-amber.png');
  filter: brightness(0.6);
}

.brand-name {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
}

nav {
  display: flex;
  align-items: center;
  gap: 0;
}

nav a {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--fg);
  margin-left: 22px;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.12s, border-color 0.12s;
}

nav a:hover,
nav a.active {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* Theme toggle */
#theme-btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--line-amber);
  color: var(--fg-dim);
  padding: 5px 11px;
  cursor: pointer;
  margin-left: 22px;
  transition: color 0.12s, border-color 0.12s;
}

#theme-btn:hover {
  color: var(--amber);
  border-color: var(--amber);
}

/* ── MOBILE NAV ──────────────────────────────────────────── */
@media (max-width: 720px) {
  .navbar {
    flex-wrap: wrap;
    padding: 12px 16px;
  }

  nav {
    width: 100%;
    flex-wrap: wrap;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--line);
  }

  nav a {
    margin-left: 0;
    margin-right: 18px;
    margin-bottom: 8px;
    font-size: 11px;
  }

  #theme-btn {
    margin-left: 0;
    margin-top: 4px;
    margin-bottom: 4px;
  }
}

/* ── PAGE HEADER STRIP ───────────────────────────────────── */
.page-header {
  border-bottom: 1px solid var(--line);
  padding: 44px 28px 32px;
  margin-bottom: 0;
}

.kicker {
  display: block;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
}

h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--fg-bright);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 10px;
  font-weight: 600;
  color: var(--amber);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin: 32px 0 10px;
}

h3 {
  font-size: 12px;
  font-weight: 600;
  color: var(--fg-bright);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 20px 0 6px;
}

/* ── PANEL ───────────────────────────────────────────────── */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-top: 1px solid var(--line-amber);
  padding: 28px 32px;
  margin-top: 24px;
  position: relative;
}

.panel p, .panel li {
  color: var(--fg-bright);
}

.panel-label {
  display: block;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}

.panel + .panel {
  margin-top: 16px;
}

/* ── CONTENT AREA ─────────────────────────────────────────── */
.content {
  padding: 32px 28px;
}

p {
  color: var(--fg);
  margin-bottom: 14px;
}

p strong {
  color: var(--fg-bright);
  font-weight: 600;
}

/* ── SIGNAL INSERT LINE ──────────────────────────────────── */
.signal-line {
  display: block;
  color: var(--amber);
  border-left: 2px solid var(--amber);
  padding: 6px 0 6px 16px;
  margin: 14px 0;
  font-size: 13px;
  line-height: 1.7;
}

/* ── LISTS ───────────────────────────────────────────────── */
ul {
  list-style: none;
  margin-bottom: 14px;
}

ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 6px;
  color: var(--fg);
}

ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--amber);
  font-size: 12px;
}

/* ── GRID ────────────────────────────────────────────────── */
.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

@media (min-width: 720px) {
  .grid { grid-template-columns: 1fr 1fr; }
}

/* ── CARD ────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 20px 24px;
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--amber), transparent 60%);
}

/* ── RULE ────────────────────────────────────────────────── */
hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 32px 0;
}

.rule-amber {
  border-top-color: var(--line-amber);
}

/* ── CTA BUTTONS ─────────────────────────────────────────── */
.cta-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.cta {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 10px 20px;
  border: 1px solid var(--line-amber);
  color: var(--amber);
  background: transparent;
  transition: background 0.12s, border-color 0.12s;
}

.cta:hover {
  background: var(--amber-dim);
  border-color: var(--amber);
}

.cta.primary {
  background: var(--amber);
  color: #0a0a0b;
  border-color: var(--amber);
  font-weight: 700;
}

.cta.primary:hover {
  background: #ffc400;
  border-color: #ffc400;
}

/* ── STATUS BLOCK ────────────────────────────────────────── */
.status-block {
  border-left: 2px solid var(--line-amber);
  padding: 10px 18px;
  margin: 20px 0;
  background: var(--amber-glow);
}

.status-label {
  display: block;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 4px;
}

/* ── FOOTER ──────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--line);
  padding: 20px 28px;
  text-align: center;
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
}

/* ── TERMINAL PAGE (Signal Ecology Diagnostic) ───────────── */
.terminal-page {
  padding: 32px 28px 80px;
  font-family: 'JetBrains Mono', monospace;
}

.term-banner {
  font-size: 11px;
  color: var(--amber);
  letter-spacing: 0.05em;
  line-height: 1.5;
  margin-bottom: 24px;
  border: 1px solid var(--line-amber);
  padding: 16px 20px;
  background: var(--amber-glow);
}

.term-meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 20px;
  margin: 16px 0 24px;
  font-size: 11px;
  border: 1px solid var(--line);
  padding: 14px 18px;
  background: var(--bg-panel);
}

.term-meta .key   { color: var(--fg-dim); }
.term-meta .val   { color: var(--fg-bright); }
.term-meta .val.amber { color: var(--amber); }

.term-note {
  font-size: 11px;
  color: var(--fg-bright);
  border-left: 2px solid var(--line-amber);
  padding: 8px 16px;
  margin-bottom: 24px;
}

.term-thesis {
  font-size: 14px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  padding: 20px;
  border: 1px solid var(--line-amber);
  margin-bottom: 24px;
  background: var(--amber-glow);
}

.term-panel {
  border: 1px solid var(--line);
  background: var(--bg-panel);
  margin-bottom: 16px;
}

.term-panel-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--line-amber);
  padding: 10px 18px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
}

.term-panel-body {
  padding: 18px 20px;
  font-size: 12px;
  color: var(--fg);
}

.term-panel-body p {
  font-size: 12px;
}

.term-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
  margin: 8px 0 12px;
}

.term-table th {
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-dim);
  text-align: left;
  padding: 4px 10px 8px 0;
  border-bottom: 1px solid var(--line);
  font-weight: 500;
}

.term-table td {
  padding: 6px 10px 6px 0;
  vertical-align: middle;
  border-bottom: 1px solid var(--line);
  color: var(--fg);
}

.term-table td.label { color: var(--fg-bright); font-weight: 500; min-width: 160px; }
.term-table td.num   { color: var(--amber); font-weight: 600; min-width: 40px; }
.term-table td.trend { color: var(--amber); min-width: 32px; }
.term-table td.conf  { color: var(--fg-dim); min-width: 40px; }
.term-table td.qual  { font-size: 10px; letter-spacing: 0.1em; }
.term-table td.qual.clean   { color: #5abb78; }
.term-table td.qual.med     { color: #e0c050; }
.term-table td.qual.distort { color: #e09020; }
.term-table td.qual.fragile { color: #e05020; }
.term-table td.qual.contam  { color: #cc3333; }

.term-bar {
  display: inline-block;
  height: 8px;
  background: var(--amber);
  opacity: 0.7;
  vertical-align: middle;
  margin-right: 2px;
}

.term-bar-bg {
  display: inline-block;
  height: 8px;
  background: var(--line);
  vertical-align: middle;
}

.term-read {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  color: var(--fg-dim);
}

.term-read span { color: var(--amber); }

.term-score-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 8px 0;
  font-size: 12px;
}

.term-score-row .score  { color: var(--amber); font-size: 22px; font-weight: 700; }
.term-score-row .status { color: var(--fg-dim); font-size: 10px; letter-spacing: 0.15em; }

.term-action-btn {
  display: block;
  width: 100%;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--line-amber);
  color: var(--amber);
  padding: 10px 20px;
  cursor: pointer;
  text-align: left;
  margin-bottom: 8px;
  text-decoration: none;
  transition: background 0.12s, border-color 0.12s;
}

.term-action-btn:hover {
  background: var(--amber-dim);
  border-color: var(--amber);
}

.term-config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 14px;
}

.term-config-item {
  border: 1px solid var(--line);
  padding: 10px 14px;
  font-size: 11px;
}

.term-config-item .cfg-label {
  display: block;
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--amber);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.term-config-item .cfg-options {
  color: var(--fg-dim);
  font-size: 10px;
  line-height: 1.6;
}

.term-cta-link {
  display: block;
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  text-decoration: none;
  border: 1px solid var(--line-amber);
  padding: 14px 24px;
  margin-top: 12px;
  transition: background 0.12s;
}

.term-cta-link:hover { background: var(--amber-dim); }

.term-logic {
  font-size: 12px;
  color: var(--fg-dim);
  line-height: 2;
  margin-top: 12px;
}

.term-logic strong { color: var(--fg-bright); display: block; margin-top: 6px; }